/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.dx.cf.direct;

import com.android.dx.cf.iface.AttributeList;
import com.android.dx.cf.iface.Member;
import com.android.dx.cf.iface.StdMethod;
import com.android.dx.cf.iface.StdMethodList;
import com.android.dx.rop.code.AccessFlags;
import com.android.dx.rop.cst.CstNat;
import com.android.dx.rop.cst.CstType;

/**
 * Parser for lists of methods in a class file.
 */
final/* package */class MethodListParser extends MemberListParser {

	/** {@code non-null;} list in progress */
	final private StdMethodList methods;

	/**
	 * Constructs an instance.
	 * 
	 * @param cf
	 *            {@code non-null;} the class file to parse from
	 * @param definer
	 *            {@code non-null;} class being defined
	 * @param offset
	 *            offset in {@code bytes} to the start of the list
	 * @param attributeFactory
	 *            {@code non-null;} attribute factory to use
	 */
	public MethodListParser(DirectClassFile cf, CstType definer, int offset,
			AttributeFactory attributeFactory) {
		super(cf, definer, offset, attributeFactory);
		methods = new StdMethodList(getCount());
	}

	/**
	 * Gets the parsed list.
	 * 
	 * @return {@code non-null;} the parsed list
	 */
	public StdMethodList getList() {
		parseIfNecessary();
		return methods;
	}

	/** {@inheritDoc} */
	@Override
	protected String humanName() {
		return "method";
	}

	/** {@inheritDoc} */
	@Override
	protected String humanAccessFlags(int accessFlags) {
		return AccessFlags.methodString(accessFlags);
	}

	/** {@inheritDoc} */
	@Override
	protected int getAttributeContext() {
		return AttributeFactory.CTX_METHOD;
	}

	/** {@inheritDoc} */
	@Override
	protected Member set(int n, int accessFlags, CstNat nat,
			AttributeList attributes) {
		StdMethod meth = new StdMethod(getDefiner(), accessFlags, nat,
				attributes);

		methods.set(n, meth);
		return meth;
	}
}
